A first look at perturbation theory
Simmonds, James G
A first look at perturbation theory - 2nd ed - Mineola, N.Y: Dover Publications, 1998 - x, 139 p. : ill. ; 22 cm
9780486675510
Approximation theory
515.35 SIM
A first look at perturbation theory - 2nd ed - Mineola, N.Y: Dover Publications, 1998 - x, 139 p. : ill. ; 22 cm
9780486675510
Approximation theory
515.35 SIM